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Oksanka [162]
3 years ago
5

Subtract 7x + 2 from –5x2 – 2x.

Mathematics
2 answers:
Triss [41]3 years ago
8 0

Answer:

-5x^2-5x+2

Step-by-step explanation:

-5x^2-2x

         7x+2

Aleks [24]3 years ago
5 0

Answer:

5x^2 + 9x + 2

Step-by-step explanation:

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Sedbober [7]

The factors for given equation f(x)=x^{3} +3x^{2} -25x-75.

  • (x-1) - No
  • (x-3) - No
  • (x+3) - Yes
  • (x-5) - Yes
  • (x+5) - Yes

<u>Step-by-step explanation:</u>

The given equation is f(x)=x^{3} +3x^{2} -25x-75 .

Add 0 at the end of the equation.

x^{3} +3x^{2} -25x-75 = 0.

Let us group the given equation,

(x^{3} +3x^{2}) -(25x-75) =0.

⇒ Group 1: x^{3} +3x^{2} .

Group 2: - 25x +75 .

Pull out factor from each group,

⇒ Group 1: (x+3)(x^{2}).

Group 2: (x+3) (-25).

Join the two group since both (x+3) is common in both groups.

(x+3)(x^{2} -25) =0.

One of the factor is (x+3).

Other factors are solved by the formula, a^{2}-b^{2} = (a+b) (a-b) .

(x+3)(x^{2} -25) = (x+5) (x-5) .

The other factors are (x+5) and (x-5).

7 0
3 years ago
There are 36 apples in a bag if Yuri takes out 6 of the apples in simplest form what fraction of the apples sis je take oyt of t
lord [1]
If she takes out six then the fraction is 6/36 then you just simplify dividing it by 6 which will give you 1/6.
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Answer:

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Eduardwww [97]
The best thing to do is either to find a common denominator or convert them to decimals.
I will find a common denominator.
A common denominator of 3 and 5 is 15.
You multiply the first fraction by 5
2*5= 10
This then becomes 10/15
You then multiply the second by 3.
4*3= 12
Therefore, this becomes 12/15
As the second of these fractions is larger, this means that 4/5 is larger.
The alternative method is to put them into decimals, in which case 2/3= 0.66 and 4/5= 0.8
Hope this helps :) 
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3 years ago
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The answer to this question is 3
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